The assets include the onshore Kaimiro and Ngatoro properties, some 16 kilometres east of Greymouth's Motoroa oilfield, hydrocarbon-processing facilities with excess capacity, and pipelines connecting the fields and facilities with each other and to export pipelines, terminals and markets.

The Kaimiro interest is an operated 100% interest in that field and the Ngatoro interest is a non-operated 29.78% interest.

Mark Dunphy, the chairman of New Zealand-owned junior Greymouth, said: "We are delighted to be adding these strategic assets to our existing production and exploration operations.

"Greymouth